<template>
  <el-upload
    class="avatar-uploader"
    action=""
    :show-file-list="false"
    :before-upload="beforeAvatarUpload"
    :http-request="updateAvatar"
  >
    <!-- (自动上传)action是上传地址 人资项目不需要 人资项目(手动上传)  -->
    <!-- show-file-list不展示列表 -->
    <img v-if="value" :src="value" class="avatar">
    <i v-else class="el-icon-plus avatar-uploader-icon" />
  </el-upload>
</template>

<script>
import COS from 'cos-js-sdk-v5'
export default {
  props: {
    value: {
      type: String,
      default: ''
    }
  },
  methods: {
    beforeAvatarUpload(file) {
      const EXTENSION = ['image/jpeg', 'image/png', 'image/gif', 'image/bmp']
      const isJpg = EXTENSION.includes(file.type)
      const isLt2M = file.size / 1024 / 1024 < 5
      if (!isJpg) {
        this.$message.error('文件格式为jpeg,png,gif,bmp')
      }
      if (!isLt2M) {
        this.$message.error('文件大小不得超过5M')
      }
      return isJpg && isLt2M
    },
    updateAvatar(value) {
      const cos = new COS({
        SecretId: 'AKIDCMQKPQJoX8cx4waypcHnBMOTTDtcUQD4',
        SecretKey: '3EJQXglyAXF2hI2jMvVzW8jZZceZL0Y5'
      })
      cos.putObject({
        Bucket: 'test-1324776152', // 存储桶名称
        Region: 'ap-nanjing', // 地域名称
        Key: value.file.name, // 文件名称
        StorageClass: 'STANDARD', // 固定值
        Body: value.file // 文件对象
      }, (error, data) => {
        if (data.statusCode === 200 && data.Location) {
          this.$emit('input', `https://${data.Location}`)
        } else {
          this.$message.error(error)
        }
      })
    }
  }
}
</script>

<style>
  .avatar-uploader .el-upload {
    border: 1px dashed #d9d9d9;
    border-radius: 6px;
    cursor: pointer;
    position: relative;
    overflow: hidden;
  }
  .avatar-uploader .el-upload:hover {
    border-color: #409EFF;
  }
  .avatar-uploader-icon {
    font-size: 28px;
    color: #8c939d;
    width: 178px;
    height: 178px;
    line-height: 178px;
    text-align: center;
  }
  .avatar {
    width: 178px;
    height: 178px;
    display: block;
  }
</style>
